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Diffstat (limited to 'svx/source/form/formfeaturedispatcher.cxx')
| -rw-r--r-- | svx/source/form/formfeaturedispatcher.cxx | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/svx/source/form/formfeaturedispatcher.cxx b/svx/source/form/formfeaturedispatcher.cxx new file mode 100644 index 0000000000..993c27bc5d --- /dev/null +++ b/svx/source/form/formfeaturedispatcher.cxx @@ -0,0 +1,241 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_svx.hxx" + +#include "formfeaturedispatcher.hxx" + +#include <comphelper/namedvaluecollection.hxx> +#include <tools/diagnose_ex.h> + +//........................................................................ +namespace svx +{ +//........................................................................ + + using namespace ::com::sun::star::uno; + using namespace ::com::sun::star::lang; + using namespace ::com::sun::star::frame; + using namespace ::com::sun::star::beans; + using namespace ::com::sun::star::util; + using namespace ::com::sun::star::form::runtime; + + //==================================================================== + //= OSingleFeatureDispatcher + //==================================================================== + //-------------------------------------------------------------------- + OSingleFeatureDispatcher::OSingleFeatureDispatcher( const URL& _rFeatureURL, const sal_Int16 _nFormFeature, + const Reference< XFormOperations >& _rxFormOperations, ::osl::Mutex& _rMutex ) + :m_rMutex( _rMutex ) + ,m_aStatusListeners( _rMutex ) + ,m_xFormOperations( _rxFormOperations ) + ,m_aFeatureURL( _rFeatureURL ) + ,m_nFormFeature( _nFormFeature ) + ,m_bLastKnownEnabled( sal_False ) + ,m_bDisposed( sal_False ) + { + } + + //-------------------------------------------------------------------- + void OSingleFeatureDispatcher::dispose() + { + { + ::osl::MutexGuard aGuard( m_rMutex ); + if ( m_bDisposed ) + return; + } + + EventObject aDisposeEvent( *this ); + m_aStatusListeners.disposeAndClear( aDisposeEvent ); + + { + ::osl::MutexGuard aGuard( m_rMutex ); + m_bDisposed = sal_True; + } + } + + //-------------------------------------------------------------------- + void OSingleFeatureDispatcher::getUnoState( FeatureStateEvent& /* [out] */ _rState ) const + { + _rState.Source = *const_cast< OSingleFeatureDispatcher* >( this ); + + FeatureState aState( m_xFormOperations->getState( m_nFormFeature ) ); + + _rState.FeatureURL = m_aFeatureURL; + _rState.IsEnabled = aState.Enabled; + _rState.Requery = sal_False; + _rState.State = aState.State; + } + + //-------------------------------------------------------------------- + void OSingleFeatureDispatcher::updateAllListeners() + { + ::osl::ClearableMutexGuard aGuard( m_rMutex ); + + FeatureStateEvent aUnoState; + getUnoState( aUnoState ); + + if ( ( m_aLastKnownState == aUnoState.State ) && ( m_bLastKnownEnabled == aUnoState.IsEnabled ) ) + return; + + m_aLastKnownState = aUnoState.State; + m_bLastKnownEnabled = aUnoState.IsEnabled; + + notifyStatus( NULL, aGuard ); + } + + //-------------------------------------------------------------------- + void OSingleFeatureDispatcher::notifyStatus( const Reference< XStatusListener >& _rxListener, ::osl::ClearableMutexGuard& _rFreeForNotification ) + { + FeatureStateEvent aUnoState; + getUnoState( aUnoState ); + + if ( _rxListener.is() ) + { + try + { + _rFreeForNotification.clear(); + _rxListener->statusChanged( aUnoState ); + } + catch( const Exception& ) + { + OSL_ENSURE( sal_False, "OSingleFeatureDispatcher::notifyStatus: caught an exception!" ); + } + } + else + { + ::cppu::OInterfaceIteratorHelper aIter( m_aStatusListeners ); + _rFreeForNotification.clear(); + + while ( aIter.hasMoreElements() ) + { + try + { + static_cast< XStatusListener* >( aIter.next() )->statusChanged( aUnoState ); + } + catch( const DisposedException& ) + { + OSL_ENSURE( sal_False, "OSingleFeatureDispatcher::notifyStatus: caught a DisposedException - removing the listener!" ); + aIter.remove( ); + } + catch( const Exception& ) + { + OSL_ENSURE( sal_False, "OSingleFeatureDispatcher::notifyStatus: caught a generic exception while notifying a single listener!" ); + } + } + } + } + + //-------------------------------------------------------------------- + void SAL_CALL OSingleFeatureDispatcher::dispatch( const URL& _rURL, const Sequence< PropertyValue >& _rArguments ) throw (RuntimeException) + { + ::osl::ClearableMutexGuard aGuard( m_rMutex ); + checkAlive(); + + OSL_ENSURE( _rURL.Complete == m_aFeatureURL.Complete, "OSingleFeatureDispatcher::dispatch: not responsible for this URL!" ); + (void)_rURL; + + if ( !m_xFormOperations->isEnabled( m_nFormFeature ) ) + return; + + // release our mutex before executing the command + sal_Int16 nFormFeature( m_nFormFeature ); + Reference< XFormOperations > xFormOperations( m_xFormOperations ); + aGuard.clear(); + + try + { + if ( !_rArguments.getLength() ) + { + xFormOperations->execute( nFormFeature ); + } + else + { // at the moment we only support one parameter + ::comphelper::NamedValueCollection aArgs( _rArguments ); + xFormOperations->executeWithArguments( nFormFeature, aArgs.getNamedValues() ); + } + } + catch( const RuntimeException& ) + { + throw; + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION(); + } + } + + //-------------------------------------------------------------------- + void SAL_CALL OSingleFeatureDispatcher::addStatusListener( const Reference< XStatusListener >& _rxControl, const URL& _rURL ) throw (RuntimeException) + { + (void)_rURL; + OSL_ENSURE( _rURL.Complete == m_aFeatureURL.Complete, "OSingleFeatureDispatcher::addStatusListener: unexpected URL!" ); + OSL_ENSURE( _rxControl.is(), "OSingleFeatureDispatcher::addStatusListener: senseless call!" ); + if ( !_rxControl.is() ) + return; + + ::osl::ClearableMutexGuard aGuard( m_rMutex ); + if ( m_bDisposed ) + { + EventObject aDisposeEvent( *this ); + aGuard.clear(); + _rxControl->disposing( aDisposeEvent ); + return; + } + + m_aStatusListeners.addInterface( _rxControl ); + + // initially update the status + notifyStatus( _rxControl, aGuard ); + } + + //-------------------------------------------------------------------- + void SAL_CALL OSingleFeatureDispatcher::removeStatusListener( const Reference< XStatusListener >& _rxControl, const URL& _rURL ) throw (RuntimeException) + { + (void)_rURL; + OSL_ENSURE( _rURL.Complete == m_aFeatureURL.Complete, "OSingleFeatureDispatcher::removeStatusListener: unexpected URL!" ); + OSL_ENSURE( _rxControl.is(), "OSingleFeatureDispatcher::removeStatusListener: senseless call!" ); + if ( !_rxControl.is() ) + return; + + ::osl::MutexGuard aGuard( m_rMutex ); + checkAlive(); + + m_aStatusListeners.removeInterface( _rxControl ); + } + + //-------------------------------------------------------------------- + void OSingleFeatureDispatcher::checkAlive() const SAL_THROW((DisposedException)) + { + if ( m_bDisposed ) + throw DisposedException( ::rtl::OUString(), *const_cast< OSingleFeatureDispatcher* >( this ) ); + } + +//........................................................................ +} // namespace svx +//........................................................................ |